Best HDD for HomeBase 3: Don’t Run Out of Storage When It Matters Most

Updated for 2026 • eufy HomeBase 3 Storage Upgrade Guide

Your eufy cameras may be watching your home every day—but the more cameras you add and the more events they record, the more valuable your HomeBase 3 storage becomes.

And this is where many HomeBase 3 owners eventually hit the same problem: the built-in storage that seemed perfectly fine when the system was new starts feeling much smaller once multiple cameras are saving motion clips, package events, visitors, vehicles, and everyday activity.

Your HomeBase 3 Can Store More The Question Is Which Drive Should You Trust?

HomeBase 3 gives compatible eufy setups the ability to expand local storage with an internal drive. That sounds simple: buy an HDD, install it, and enjoy more recording space.

But choosing the drive itself deserves more thought.

A HomeBase is not a normal desktop computer. Its storage may be used day after day as your security system saves new recordings and manages older footage. That means the cheapest hard drive you find is not automatically the smartest choice and neither is buying the largest drive available just because it has the biggest capacity number.

Why Upgrading HomeBase 3 Storage Can Be Worth It

• Keep more recording history: additional capacity can give your HomeBase more room for saved security-camera footage before older recordings need to make way for newer ones.
• Better for multi-camera homes: adding more eufy cameras means more events and more video competing for the same storage space.
• More useful for high-resolution cameras: detailed video can consume considerably more storage than lighter recording workloads.
• Strengthen your local-storage setup: expanding HomeBase 3 lets you build around local recording rather than treating cloud storage as your only way to retain more footage.
• Upgrade once instead of constantly worrying about space: choosing an appropriate HDD now can give your system significantly more breathing room as your security setup grows.

The Biggest Mistake Is Buying an HDD Based on Capacity Alone

A 1TB drive may be more than enough for one homeowner. Another person running several high-resolution cameras may quickly appreciate 2TB, 4TB, or more.

There is also the question of HDD versus SSD, drive thickness and compatibility, expected recording workload, noise, power use, price per terabyte, and whether paying extra for a premium drive actually gives you something useful inside HomeBase 3.

What We’ll Help You Decide

• Best overall HDD: the drive we believe offers the strongest balance for most HomeBase 3 owners.
• 1TB vs 2TB vs 4TB and beyond: which capacity makes sense depending on the size of your camera system.
• HDD vs SSD: whether spending more for solid-state storage is actually worthwhile for HomeBase 3.

  If you already plan to expand your eufy system, it makes sense to consider those future cameras when choosing storage. Buying capacity around the system you expect to operate can be more practical than selecting the minimum drive today and replacing it shortly after your camera count increases. If you're considering eufy's 4K solar models, our S3 Pro and S330 comparison can help you decide which camera belongs in that future setup.

• Multi-camera storage: which option makes more sense when HomeBase 3 is managing several outdoor cameras.
• Best value: where extra capacity is worth paying for—and where buying a huge drive may simply waste money.

Below, we compare the best HDD options for HomeBase 3 and show exactly which type of buyer each one makes sense for—from smaller single-camera setups to larger eufy systems that need substantially more local recording space.

Quick Comparison: Best Storage Drives for HomeBase 3

HomeBase 3 storage upgrades are not a case of simply buying the drive with the most terabytes. Physical compatibility comes first, followed by capacity, drive type, and whether the extra cost actually makes sense for the number of cameras you run.

That distinction matters with this group. Some drives offer inexpensive HDD capacity, others trade a higher purchase price for solid-state storage, and one option has an immediate physical compatibility problem that HomeBase 3 buyers should catch before ordering.

Which Drive Makes the Most Sense?

For a straightforward, lower-cost HDD upgrade, the Toshiba MQ01ABD100 1TB is the simplest candidate in this group. Its appeal is not extreme performance it is getting a meaningful amount of local storage in a 2.5-inch SATA HDD without automatically paying for several terabytes.

If you would rather eliminate spinning storage, the decision becomes more interesting. The fanxiang S101 2TB gives you a middle-ground SSD capacity, while the TEAMGROUP QX 4TB targets buyers willing to spend more to combine substantially greater capacity with solid-state storage.

The Seagate BarraCuda ST4000LM024 is attractive on capacity because it delivers 4TB in the 2.5-inch HDD class, but this exact high-capacity model deserves an additional dimensional-fit check before purchase. A drive being labeled “2.5-inch SATA” does not mean every physical dimension is automatically identical.

HDD or SSD for HomeBase 3?

An HDD is most compelling when your priority is economical storage capacity. An SSD removes spinning platters and mechanical seek noise, but the extra performance advertised by SATA SSD manufacturers should not be confused with better camera image quality or smarter detection.

That is why our recommendations are based on usable storage, physical compatibility, system size, and value rather than declaring the drive with the fastest advertised transfer rate the winner.

Our Strong Recommendation: Toshiba MQ01ABD100 1TB

If your goal is to expand HomeBase 3 storage without turning a simple upgrade into an expensive project, the Toshiba MQ01ABD100 1TB is our strongest HDD choice from this lineup for a smaller or moderate camera setup.

Its advantage is not flashy performance. It is much more practical than that: you get 1TB of mechanical storage in the 2.5-inch SATA drive class, giving HomeBase 3 substantially more room for local recordings while avoiding the price jump associated with the larger SSD options in this comparison.

Once your storage is sorted, see which accessories for HomeBase 3 are actually worth adding next, from space-saving mounting options to upgrades designed for easier multi-camera monitoring.

Why the Toshiba 1TB Makes Sense for HomeBase 3

• It starts with the right type of drive: the MQ01ABD100 is a 2.5-inch SATA HDD, making it fundamentally more appropriate to investigate for the HomeBase 3 internal storage bay than a 3.5 inch desktop or NAS drive.
• 1TB is a meaningful upgrade without going overboard: buyers with a modest eufy system may have little reason to immediately pay for 4TB of storage. This gives you a practical entry point into terabyte-class local recording.
• You are paying for storage rather than unnecessary benchmark performance: its 5400 RPM mechanical design is not intended to compete with SATA SSD transfer speeds, but maximum PC-style speed is not the main objective when the drive's job is storing security recordings.
• It suits buyers who want an HDD specifically: if your priority is straightforward capacity rather than eliminating every moving component, a conventional hard drive can be a more rational place to start than a premium SSD.
• It keeps the upgrade proportionate to the system: putting an expensive 4TB SSD into a HomeBase serving only a small number of cameras can mean spending heavily on capacity and performance that may provide little practical benefit.

The Real Question: Is 1TB Enough for Your Camera System?

This is where we would decide based on your future setup, not only the number of cameras connected today.

If HomeBase 3 is serving a relatively small system and your cameras primarily generate event recordings, 1TB can be an attractive starting capacity. But if you already have several high-resolution cameras or expect to keep adding cameras buying a larger drive now may make more sense than replacing a smaller drive later.

Where the Toshiba Falls Behind an SSD

The MQ01ABD100 is still a mechanical hard drive. It uses spinning media and moving components, so it does not provide the silent, vibration-free storage operation of the fanxiang S101 2TB or TEAMGROUP QX 4TB SSD.

It also should not be presented as a purpose-built surveillance HDD. This is a general-purpose 2.5-inch drive, so we would not claim that it was specifically engineered for HomeBase 3 or continuous security-camera recording.

Why We Wouldn't Choose the WD Red Plus Instead

The WD Red Plus WD30EFPX 3TB may initially look like the stronger security-storage purchase. It offers more capacity, uses CMR technology, and belongs to WD's NAS-oriented Red Plus family.

But those specifications do not solve the most basic problem: WD30EFPX is a 3.5-inch drive. HomeBase 3's internal expansion is built around a 2.5-inch SATA drive bay, so this particular WD Red Plus should not be purchased simply because its NAS credentials look more impressive.

Who Should Buy the Toshiba MQ01ABD100?

We would put this drive at the top of the HDD shortlist for a HomeBase 3 owner who wants a simple 1TB storage expansion, prefers the economics of a mechanical HDD, and does not have a large camera system demanding several terabytes from day one.

If your priority is silence and solid-state storage, move toward the fanxiang S101 2TB. If your priority is much greater capacity, the 4TB options deserve a closer look—but their higher cost and, in the case of high-capacity mechanical drives, exact physical dimensions should be evaluated before purchase.

Our Recommendation Before You Order

Check the exact model number MQ01ABD100 and verify the current HomeBase 3 drive requirements before purchasing. Do not assume another Toshiba drive with a similar name has identical dimensions or specifications.

If those requirements match your installation and 1TB fits the size of your camera system, this is the HDD from our comparison we would consider first for a straightforward, capacity-focused HomeBase 3 upgrade.

Which HomeBase 3 Storage Drive Should You Actually Choose?

The smartest HomeBase 3 storage upgrade starts with a different question than most buyers ask. Instead of asking “Which drive is the biggest?”, ask what problem you are trying to solve: insufficient recording space, a growing camera system, mechanical-drive noise, or simply wanting more storage headroom for the future.

Once you know that, the choice becomes much easier. You do not need to pay for 4TB just because HomeBase 3 can benefit from expandable storage, and you do not need an SSD simply because its advertised transfer speeds are dramatically higher than an HDD.

If your eufy system has grown beyond the capacity that individual microSD cards can comfortably provide, you can also upgrade HomeBase 3 with an HDD or SSD and move toward much larger centralized local storage for compatible cameras.

Choose Toshiba MQ01ABD100 1TB If You Want a Simple HDD Upgrade

The Toshiba MQ01ABD100 1TB remains our preferred HDD choice from this group for buyers who want to expand HomeBase 3 without spending heavily on storage they may never use.

Its 2.5-inch SATA HDD format and 1TB capacity make the most sense when your eufy system is relatively small or moderate and your priority is straightforward local-storage expansion rather than SSD performance.

• Best for: smaller and moderate HomeBase 3 systems.
• Choose it when: you want an economical entry into terabyte-class storage.
• Main advantage: you are paying primarily for useful capacity rather than premium SSD performance.
• Think twice if: you already know several more cameras will be added to your system.

Choose fanxiang S101 2TB If You Want the SSD Middle Ground

The fanxiang S101 2TB makes more sense when 1TB feels restrictive but a premium 4TB SSD feels excessive.

You get twice the nominal capacity of the Toshiba while moving from mechanical storage to a 2.5-inch SATA SSD. That means no spinning platter or mechanical seek operation, while 2TB provides additional room for a growing camera system.

• Best for: growing HomeBase 3 systems whose owners prefer SSD storage.
• Choose it when: you want more capacity than 1TB without jumping directly to 4TB.
• Main advantage: a useful balance between SSD design and moderate capacity.
• Think twice if: minimizing storage cost is more important than using an SSD.

Choose TEAMGROUP QX 4TB If You Want Large-Capacity SSD Storage

The TEAMGROUP QX 4TB targets a different buyer. This is not the drive we would pay extra for merely because its advertised SATA performance is faster than an HDD.

Its real argument is combining 4TB of capacity with solid-state storage. That becomes much easier to justify when HomeBase 3 is supporting a larger system and you specifically want to avoid mechanical storage.

• Best for: larger or expanding multi-camera systems.
• Choose it when: you genuinely want both 4TB and SSD storage.
• Main advantage: high capacity without spinning media.
• Think twice if: you are paying substantially more simply to get benchmark speeds HomeBase 3 does not need.

Consider Seagate BarraCuda 4TB If Capacity per Dollar Is the Priority

The Seagate BarraCuda ST4000LM024 4TB is the alternative for someone attracted to 4TB but less interested in paying the premium associated with a large SSD.

Conceptually, that makes it compelling for a busy multi-camera system: prioritize storage volume over SSD speed. However, this exact high-capacity 2.5-inch mechanical drive requires more caution than our smaller HDD option because drive thickness and exact physical fit must be confirmed before purchase.

• Best for: buyers prioritizing high HDD capacity.
• Choose it when: you need substantially more storage and have confirmed the exact drive dimensions are suitable.
• Main advantage: 4TB without moving into a 4TB SSD.
• Think twice if: you have not verified physical clearance for this exact model.

Skip WD Red Plus WD30EFPX for the Internal HomeBase 3 Bay

The WD Red Plus 3TB WD30EFPX demonstrates why buying by brand reputation or workload positioning can lead you in the wrong direction.

Its NAS-oriented design, CMR recording technology and 3TB capacity may look attractive for security storage, but this exact model is a 3.5-inch HDD. HomeBase 3's internal storage expansion is based around a 2.5-inch SATA drive.

For this application, that physical mismatch matters more than its NAS credentials.

1TB, 2TB or 4TB: Buy for Your Camera System, Not the Number on the Box

Capacity becomes valuable only when you can actually use it. A HomeBase serving a modest number of cameras does not automatically become a better security system because you install 4TB instead of 1TB.

More capacity primarily gives the system more room for recordings. How quickly that space is consumed depends on factors such as your camera count, recording activity, video settings and the amount of footage generated.

• 1TB: start here when your system is relatively small and you want an economical HDD upgrade.
• 2TB: consider this when your camera system is growing or you want more storage headroom without immediately moving to 4TB.
• 4TB: becomes more compelling for larger systems, frequent recording activity, or buyers deliberately planning for future camera expansion.

HDD vs SSD: Where Should Your Money Go?

For HomeBase 3, the HDD-versus-SSD decision should not be reduced to which technology posts the fastest transfer speed.

An HDD is attractive when capacity economics matter most. You accept spinning media and mechanical components in exchange for a potentially less expensive path to substantial storage.

An SSD removes those mechanical components and operates without HDD-style platter and seek noise. But paying for dramatically higher advertised SATA speeds does not improve your camera's resolution, motion detection, night vision or wireless performance.

Three Buying Mistakes We Would Avoid

• Buying a 3.5-inch drive because the specifications look better: physical compatibility comes before impressive capacity, cache, CMR, or NAS branding.
• Paying for SSD speed you don't actually need: HomeBase 3 storage should be chosen for its role in storing recordings, not because one product wins a desktop benchmark.
• Buying today's minimum capacity when you already plan to expand: if several additional cameras are coming, calculate the upgrade around that future system instead.

Our Decision in 60 Seconds

For a straightforward HDD upgrade, start with the Toshiba MQ01ABD100 1TB. It is our preferred option from this lineup when you want practical storage without turning HomeBase 3 expansion into an unnecessarily expensive purchase.

Move to the fanxiang S101 2TB when you want a moderate-capacity SSD, or consider the TEAMGROUP QX 4TB when both large capacity and solid-state storage are priorities worth paying for.

The Seagate BarraCuda 4TB is interesting for capacity-focused HDD buyers, but verify the exact physical fit before purchasing. The 3.5-inch WD Red Plus WD30EFPX should not be treated as an internal HomeBase 3 drive simply because it uses SATA.

Upgrade Your HomeBase 3 Storage Before Your Camera System Outgrows It

Storage is one of those upgrades that feels easy to postpone because your cameras can appear to be working perfectly today. The problem is that your storage needs usually increase quietly: another outdoor camera gets added, a video doorbell joins the system, activity increases, and more recordings begin competing for the same available space.

Waiting does not make the eventual upgrade easier. If you already know you want more local recording capacity, installing an appropriately sized drive now means your HomeBase 3 can start taking advantage of that additional space immediately rather than waiting until limited storage becomes something you actively notice.

Why Upgrading Now Can Make More Sense Than Waiting

• Your camera system may keep growing: today's two-camera setup can become tomorrow's driveway, backyard, doorbell, garage, and side-entrance system. More cameras create a stronger reason to have additional storage ready.
• More capacity gives recordings more room: expanding from limited built-in storage to terabyte-class storage can give HomeBase 3 substantially more space for locally stored footage.
• You can choose the drive calmly instead of reactively: checking form factor, capacity, drive type, and value now is better than rushing into an incompatible purchase when you suddenly decide you need additional storage.
• A storage upgrade can support future expansion: choosing capacity around the camera system you expect to build can reduce the likelihood of replacing a smaller drive shortly after adding more devices.
• You are upgrading storage—not rebuilding your security system: for an existing HomeBase 3 setup, increasing internal storage can be a much simpler investment than replacing cameras merely because you want greater local recording capacity.

“But My HomeBase 3 Storage Isn't Full Yet.”

It does not need to be full for an upgrade to make sense.

The better question is whether your current capacity matches where your security system is going. If you plan to add cameras or simply want considerably more room for recordings, waiting until storage becomes restrictive does not create an advantage.

On the other hand, there is no reason to overbuy. A smaller system does not automatically need a premium 4TB SSD. That is why our preferred HDD option remains the Toshiba MQ01ABD100 1TB for buyers who want a straightforward capacity increase without immediately moving to a much larger or more expensive drive.

The Cost of Waiting Isn't Just About Running Out of Space

There is another reason to make the decision before it becomes urgent: compatibility mistakes happen when buyers rush.

The WD Red Plus WD30EFPX in our comparison is a perfect example. Its 3TB capacity, CMR technology, SATA interface, and NAS positioning can make it look like an excellent storage drive until you notice that this exact model is a 3.5-inch HDD rather than the 2.5-inch drive class required for the HomeBase 3 internal bay.

Buying ahead gives you time to check the exact model instead of assuming that every SATA HDD will fit.

What If You Are Waiting for a Better Drive?

You do not need the fastest storage device available to make HomeBase 3 more useful. SSD specifications such as 500+ MB/s transfer speeds can look impressive, but your security cameras do not suddenly gain better resolution, stronger detection, or improved night vision because you installed a faster drive.

If your actual problem is simply needing more local storage, paying for capacity you will use can be more sensible than waiting indefinitely for the “perfect” drive.

One Upgrade Today Can Give Your System Room to Grow

If your HomeBase 3 is already installed and protecting your home, expanding storage lets you improve one of the system's most important resources without starting over.

For most buyers in this comparison who specifically want an HDD, we would start with the Toshiba MQ01ABD100 1TB. It keeps the upgrade focused on what matters: useful additional capacity in the appropriate 2.5-inch SATA drive class without paying a premium simply for SSD performance.

If you already know 1TB will not suit your planned camera system, that is your reason to move up—not an impressive benchmark number or a larger capacity label by itself.

Final Verdict: Give Your HomeBase 3 the Storage Your Security System Actually Needs

Choosing storage for HomeBase 3 does not have to become a battle between the biggest capacity, fastest SSD, and most expensive drive. The better purchase is the one that fits correctly, provides enough space for your camera system, and makes financial sense for the way you actually record.

From the products in this comparison, the Toshiba MQ01ABD100 1TB remains our preferred HDD option for buyers who want a straightforward HomeBase 3 storage upgrade without paying for capacity or SSD performance they may never need.

Why We Would Start With 1TB

Security storage should solve a real problem. If you have a relatively modest eufy setup, jumping directly to a premium 4TB SSD can mean spending considerably more money before your recording workload actually justifies that capacity.

The Toshiba takes the opposite approach. Its 1TB capacity and 2.5-inch SATA HDD format keep the upgrade focused on additional recording space rather than specifications that look impressive on a product page but may provide little practical advantage inside HomeBase 3.

• Choose Toshiba 1TB if you want our preferred straightforward HDD option for a smaller or moderate system.
• Choose fanxiang S101 2TB if you want more capacity and specifically prefer solid-state storage.
• Choose TEAMGROUP QX 4TB if you have a larger system and are prepared to pay for high-capacity SSD storage.
• Consider Seagate BarraCuda 4TB carefully if HDD capacity is your priority, but confirm the exact physical dimensions and HomeBase 3 fit before purchasing.
• Skip the WD Red Plus WD30EFPX for the internal bay: this exact model is a 3.5-inch HDD, so its attractive NAS specifications do not overcome the form-factor mismatch.

One Final Check Before You Buy

Do not order based only on the product family or capacity shown in an Amazon title. Storage manufacturers often sell several versions under similar names, and those versions can differ in form factor, thickness, capacity, interface, and other specifications.

Confirm the exact model you are purchasing against the current HomeBase 3 storage requirements before installation. This is particularly important with high-capacity mechanical drives, where two products described as “2.5-inch” can still differ physically.

Don't Pay for Specifications Your HomeBase Doesn't Need

A 500+ MB/s SSD sounds dramatically more powerful than a 5400 RPM HDD, but HomeBase 3 is not a gaming computer. Installing faster storage does not increase your camera resolution, improve night vision, extend wireless range, or make motion detection inherently more accurate.

Likewise, 4TB is not automatically better than 1TB. Larger capacity becomes valuable when your recording workload can actually benefit from the additional space.

Ready to Upgrade Your HomeBase 3?

If your current storage is enough and you have no plans to expand your camera system, there is no reason to upgrade simply for the sake of upgrading.

But if you already want more room for local recordings, the decision is much clearer. Choose a compatible drive now based on the system you expect to operate, rather than waiting until storage becomes the limitation that forces the decision.

For a straightforward HDD upgrade from this comparison, the Toshiba MQ01ABD100 1TB is where we would start. If your camera system already demands more capacity or you specifically want solid-state storage, step up deliberately to the 2TB or 4TB alternatives rather than paying more without a reason.

Frequently Asked Questions About HDDs for HomeBase 3